This event was automatically detected and need to be confirmed by one of our analysts.
Type Event
Magnitude 5.4 mb
Local datetime 2020/12/30 09:35
Universal datetime 2020/12/30 00:35
Latitude 36.37 ° ± 5 km
Longitude 140.60 ° ± 5 km
Depth 10 km (from location) ± 0.0 km

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See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Tokyo  107 8.336599e+06
Yokohama  137 3.574443e+06
Kawasaki  123 1.306785e+06
Sendai  217 1.037562e+06
Hachiōji  139 579399
Utsunomiya  69 449865
Iwaki  81 357309
Kōriyama  117 340560
Kawagoe  112 337931
Fukushima  153 294237
Maebashi  137 282711
Yamagata  213 254538
Mito  11 246538
Nagaoka  196 195318
Kōfu  198 190000

Past seismicity

  This map shows only the 0 most significant earthquakes around this event.

Event details

Parameters

Evaluation status
RMS 1.26
Azimuthal gap 133.42 °
Number of stations used 29
Number of phases used 29

Webservices

The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :

QuakeML GeoJSON Text

Phases

Network Station Phase Time Residual (s) Azimuth (°) Distance (°) Mode
IU MAJO P 00:35:59.72 3.72 276.03 1.94 Automatic
IU YSS P 00:37:59.90 3.58 7.96 10.71 Automatic
IU MA2 P 00:40:39.82 0.89 12.64 24.12 Automatic
IU YAK P 00:40:59.37 -1.66 348.54 26.55 Automatic
IU ULN P 00:41:05.82 -0.89 305.62 27.13 Automatic
IU BILL P 00:42:13.82 -0.53 16.57 34.84 Automatic
IU TIXI P 00:42:20.87 -1.59 353.71 35.79 Automatic
IU CHTO P 00:43:01.84 -0.22 255.76 40.47 Automatic
IU MAKZ P 00:43:30.89 -0.51 302.74 44.01 Automatic
II KURK P 00:43:43.49 -1.36 308.64 45.7 Automatic
II KAPI P 00:43:44.14 1.11 209.67 45.75 Automatic
IU COLA P 00:44:18.14 1.31 31.81 49.83 Automatic
II AAK P 00:44:18.92 -0.12 298.74 50.09 Automatic
II NIL P 00:44:48.67 0.03 288.43 54.06 Automatic
II WRAB P 00:45:03.64 -0.19 187.03 56.61 Automatic
II ALE P 00:45:34.7 -0.62 3.35 60.58 Automatic
IU MBWA P 00:45:33.59 0.27 202.37 60.81 Automatic
II PALK P 00:45:41.27 0.41 257.32 61.6 Automatic
IU KEV P 00:45:55.27 0.24 339.27 63.59 Automatic
II KIV P 00:46:39.22 -0.73 310.9 70.62 Automatic
II UOSS P 00:46:42.57 -0.97 287.65 71.25 Automatic
IU GNI P 00:46:44.52 0.06 306.64 71.37 Automatic
II FFC P 00:47:01.37 -0.79 32.17 74.34 Automatic
IU ANTO P 00:47:27.69 -0.72 311.89 78.98 Automatic
II RAYN P 00:47:33.49 -1.03 292.04 80.15 Automatic
IU RSSD P 00:47:37.32 0.69 41.12 80.49 Automatic
IU TUC P 00:47:56.67 0.36 53.61 84.28 Automatic
II BFO P 00:47:59.97 -1.33 330.42 85.25 Automatic
IU ANMO P 00:48:01.94 0.59 49.24 85.28 Automatic